190317811514 has 4 divisors (see below), whose sum is σ = 285476717274. Its totient is φ = 95158905756.

The previous prime is 190317811513. The next prime is 190317811559. The reversal of 190317811514 is 415118713091.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 415118713091 = 21019 ⋅19749689.

It can be written as a sum of positive squares in only one way, i.e., 171598920025 + 18718891489 = 414245^2 + 136817^2 .

It is not an unprimeable number, because it can be changed into a prime (190317811513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47579452877 + ... + 47579452880.

Almost surely, 2^190317811514 is an apocalyptic number.

190317811514 is a deficient number, since it is larger than the sum of its proper divisors (95158905760).

190317811514 is an equidigital number, since it uses as much as digits as its factorization.

190317811514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95158905759.

The product of its (nonzero) digits is 30240, while the sum is 41.

The spelling of 190317811514 in words is "one hundred ninety billion, three hundred seventeen million, eight hundred eleven thousand, five hundred fourteen".